{"id":151545,"date":"2022-04-05T10:14:03","date_gmt":"2022-04-05T10:14:03","guid":{"rendered":"https:\/\/www.healthbenefitstimes.com\/glossary\/?p=151545"},"modified":"2023-10-12T07:10:48","modified_gmt":"2023-10-12T07:10:48","slug":"achilles-tendon-reflex","status":"publish","type":"post","link":"https:\/\/www.healthbenefitstimes.com\/glossary\/achilles-tendon-reflex\/","title":{"rendered":"Achilles tendon reflex"},"content":{"rendered":"<p>Plantar flexion resulting from contraction of the calf muscles after a sharp blow to the Achilles tendon, activating the SI spinal reflex. The variations and their significance correspond closely to those of the knee jerk. It is exaggerated in upper motor neuron disease and diminished or absent in lower motor neuron disease.<\/p>\n<hr \/>\n<div class=\"group final-completion w-full text-token-text-primary border-b border-black\/10 gizmo:border-0 dark:border-gray-900\/50 gizmo:dark:border-0 bg-gray-50 gizmo:bg-transparent dark:bg-[#444654] gizmo:dark:bg-transparent sm:AIPRM__conversation__response\" data-testid=\"conversation-turn-55\">\n<div class=\"p-4 justify-center text-base md:gap-6 md:py-6 m-auto\">\n<div class=\"flex flex-1 gap-4 text-base mx-auto md:gap-6 gizmo:gap-3 gizmo:md:px-5 gizmo:lg:px-1 gizmo:xl:px-5 md:max-w-2xl lg:max-w-[38rem] gizmo:md:max-w-3xl gizmo:lg:max-w-[40rem] gizmo:xl:max-w-[48rem] xl:max-w-3xl }\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gizmo:w-full lg:w-[calc(100%-115px)] agent-turn\">\n<div class=\"flex-col gap-1 md:gap-3\">\n<div class=\"flex flex-grow flex-col gap-3 max-w-full\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-3 whitespace-pre-wrap break-words overflow-x-auto\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light AIPRM__conversation__response\">\n<p>The calf muscles contracting and the foot pointing downward (plantar flexion), resulting from a sharp strike to the Achilles tendon.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Plantar flexion resulting from contraction of the calf muscles after a sharp blow to the Achilles tendon, activating the SI spinal reflex. The variations and their significance correspond closely to those of the knee jerk. It is exaggerated in upper motor neuron disease and diminished or absent in lower motor neuron disease. The calf muscles [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-151545","post","type-post","status-publish","format-standard","hentry","category-a"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Achilles tendon reflex - Definition of Achilles tendon reflex<\/title>\n<meta name=\"description\" content=\"Plantar flexion resulting from contraction of the calf muscles after a sharp blow to the Achilles tendon, activating the SI spinal reflex. The variations and their significance correspond closely to those of the knee jerk. It is exaggerated in upper motor neuron disease and diminished or absent in lower motor neuron disease.The calf muscles contracting and the foot pointing downward (plantar flexion), resulting from a sharp strike to the Achilles tendon.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.healthbenefitstimes.com\/glossary\/achilles-tendon-reflex\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Achilles tendon reflex - Definition of Achilles tendon reflex\" \/>\n<meta property=\"og:description\" content=\"Plantar flexion resulting from contraction of the calf muscles after a sharp blow to the Achilles tendon, activating the SI spinal reflex. The variations and their significance correspond closely to those of the knee jerk. It is exaggerated in upper motor neuron disease and diminished or absent in lower motor neuron disease.The calf muscles contracting and the foot pointing downward (plantar flexion), resulting from a sharp strike to the Achilles tendon.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.healthbenefitstimes.com\/glossary\/achilles-tendon-reflex\/\" \/>\n<meta property=\"og:site_name\" content=\"Glossary\" \/>\n<meta property=\"article:published_time\" content=\"2022-04-05T10:14:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-12T07:10:48+00:00\" \/>\n<meta name=\"author\" content=\"Glossary\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Glossary\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/achilles-tendon-reflex\/\",\"url\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/achilles-tendon-reflex\/\",\"name\":\"Achilles tendon reflex - Definition of Achilles tendon reflex\",\"isPartOf\":{\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/#website\"},\"datePublished\":\"2022-04-05T10:14:03+00:00\",\"dateModified\":\"2023-10-12T07:10:48+00:00\",\"author\":{\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/#\/schema\/person\/ccfef987a4882e6356ae6d77d33e74c5\"},\"description\":\"Plantar flexion resulting from contraction of the calf muscles after a sharp blow to the Achilles tendon, activating the SI spinal reflex. 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